This document discusses how to handle SEO for marketplaces. It begins by defining marketplaces as platforms that connect buyers and sellers to facilitate transactions. It then notes that marketplaces made up half of global online sales before the pandemic. The document outlines some differences between marketplaces and ecommerce sites, such as marketplaces usually hosting inventory while ecommerce focuses on transactions. It also lists some key characteristics of successful marketplaces like liquidity, pricing, trust, and user experience. Finally, it provides recommendations for marketplaces to focus on areas like product pages, algorithm updates, crawlability, and building trust.